<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>

<form action="../test" method="POST">
    x:<input type="text"  value="Mickey"><br>
    y:<input type="text" name="y" value="Mouse"><br>
    z:<input type="text" name="z" value="Milly"><br>
<br><br>
<input type="submit" value="Submit">
</form> 

<p>x 不会被提交，因为此 input 元素没有 name 属性。</p>

</body>
</html>
